40747372 has 12 divisors (see below), whose sum is σ = 72043720. Its totient is φ = 20163456.

The previous prime is 40747337. The next prime is 40747373. The reversal of 40747372 is 27374704.

It is a happy number.

40747372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40747373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52122 + ... + 52897.

Almost surely, 2^40747372 is an apocalyptic number.

It is an amenable number.

40747372 is a deficient number, since it is larger than the sum of its proper divisors (31296348).

40747372 is a wasteful number, since it uses less digits than its factorization.

40747372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105120 (or 105118 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 40747372 is about 6383.3668232368. The cubic root of 40747372 is about 344.1120398525.

The spelling of 40747372 in words is "forty million, seven hundred forty-seven thousand, three hundred seventy-two".